Give the term/reason a.Mechanism responsible for parturition. b.Role of oxytocin during expulsion of the baby out of uterus. c.Why do pellucida block the entry of additional sperm? d.Sperms cannot reach ovum without seminal plasma. e. All copulations do not lead to fertilization and pregnancy. or Describe various natural methods of contraception in human beings.

Share

Please log in or register to add a comment.